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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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152 // - to space is already 25% full. | 152 // - to space is already 25% full. |
153 return old_address < new_space_.age_mark() | 153 return old_address < new_space_.age_mark() |
154 || (new_space_.Size() + object_size) >= (new_space_.Capacity() >> 2); | 154 || (new_space_.Size() + object_size) >= (new_space_.Capacity() >> 2); |
155 } | 155 } |
156 | 156 |
157 | 157 |
158 void Heap::RecordWrite(Address address, int offset) { | 158 void Heap::RecordWrite(Address address, int offset) { |
159 if (new_space_.Contains(address)) return; | 159 if (new_space_.Contains(address)) return; |
160 ASSERT(!new_space_.FromSpaceContains(address)); | 160 ASSERT(!new_space_.FromSpaceContains(address)); |
161 SLOW_ASSERT(Contains(address + offset)); | 161 SLOW_ASSERT(Contains(address + offset)); |
162 #ifndef V8_HOST_ARCH_64_BIT | |
163 Page::SetRSet(address, offset); | 162 Page::SetRSet(address, offset); |
164 #endif // V8_HOST_ARCH_64_BIT | |
165 } | 163 } |
166 | 164 |
167 | 165 |
168 OldSpace* Heap::TargetSpace(HeapObject* object) { | 166 OldSpace* Heap::TargetSpace(HeapObject* object) { |
169 InstanceType type = object->map()->instance_type(); | 167 InstanceType type = object->map()->instance_type(); |
170 AllocationSpace space = TargetSpaceId(type); | 168 AllocationSpace space = TargetSpaceId(type); |
171 return (space == OLD_POINTER_SPACE) | 169 return (space == OLD_POINTER_SPACE) |
172 ? old_pointer_space_ | 170 ? old_pointer_space_ |
173 : old_data_space_; | 171 : old_data_space_; |
174 } | 172 } |
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319 allocation_allowed_ = new_state; | 317 allocation_allowed_ = new_state; |
320 return old; | 318 return old; |
321 } | 319 } |
322 | 320 |
323 #endif | 321 #endif |
324 | 322 |
325 | 323 |
326 } } // namespace v8::internal | 324 } } // namespace v8::internal |
327 | 325 |
328 #endif // V8_HEAP_INL_H_ | 326 #endif // V8_HEAP_INL_H_ |
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